        body {
            background-color: #f2f2f2;
            font-family: Arial, sans-serif;
            color: #333;
            margin: 0;
            padding: 0;
        }

        .container {
            width: 800px;
            
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            text-align: center;
            padding: 40px;
            position: relative;
            top: 10px;
        }

        h1 {
            font-size: 48px;
            margin-bottom: 40px;
            animation: fadeInDown 1s ease-in-out;
        }

        @keyframes fadeInDown {
            0% {
                opacity: 0;
                transform: translateY(-40px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .card {
            position: relative;
            width: 300px;
            height: 180px;
            background-color: #fff;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            margin: 20px;
            display: inline-block;
            animation: float 5s infinite ease-in-out;
        }

        @keyframes float {
            0% {
                transform: translatey(0px);
            }
            50% {
                transform: translatey(-20px);
            }
            100% {
                transform: translatey(0px);
            }
        }

        .card-content {
            padding: 20px;
        }

        .card-title {
            font-size: 24px;
            margin-bottom: 10px;
        }

        .card-description {
            font-size: 14px;
        }

        .card-link {
            display: block;
            margin-top: 20px;
            text-decoration: none;
            color: #4caf50;
            transition: color 0.3s ease;
        }

        .card-link:hover {
            color: #45a049;
        }